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Product Description

The Original 40 series muffler delivers an aggressive exterior and interior tone. If you’re looking for that original Flowmaster sound this is the muffler is for you. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.

Durable fully welded 16 gauge aluminized steel

Aggressive and powerful exterior exhaust tone

Noticeable interior resonance

Excellent Street/Strip and Off Road application

Made in the USA

Premium Flowmaster quality

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Bonehead Performance Inc.

Unless explicitly stated otherwise, all products sold by Bonehead Performance are designated Race Only and are solely for competition/off road use limited to racing formally sanctioned by a recognized racing organization.
Any other use, including recreational off-road use, may be in violation of local, state, and Federal laws. Bonehead Performance or any of their affiliates do not implicitly or explicitly confirm the legality of using
any products it sells on public roads; that is entirely the responsibility of the consumer.